HeyRua Get the app

Acquaintance in Irish (Aithne): Meaning, Pronunciation, Usage

‘aithne’ also means: recognition · knowledge

The Irish for acquaintance is aithne, a feminine noun.
Updated October 2026Report a mistake

How to say “acquaintance” in Irish

Irish:
aithne
English:
acquaintance, recognition, knowledge
Word type:
noun
Gender:
feminine, fourth declension
Pronunciation:
“AH-hin-yuh”  /ˈahənʲə/
Various forms
Genitive singular:
aithne, na haithne (e.g. tús na haithne, the beginning of the acquaintance)

What does “aithne” mean?

“Aithne” has three alternative meanings. The most common comes first.

acquaintance
Knowing a person or thing personally, used with 'ag' and 'ar': tá aithne agam air, I know him.Also: knowing, familiarity, know.
2 other meanings: recognition or knowledge
2recognition
The act of recognizing someone or something; also used as a verbal noun of the verb 'aithin'.Also: recognizing, identification.
3knowledge
Knowledge or understanding of something, such as a place or a subject.Also: understanding, familiarity.

Other Irish words for acquaintance: aithnid (acquaintance)

“Aithne” with the article

Here is aithne after the article (an t-alt).

an aithne
the acquaintance
No change: feminine nouns starting with a vowel keep their form after an

“Aithne” in a sentence: Irish examples

Common Irish sentences using aithne, the Irish word for acquaintance.

An bhfuil aithne agat ar Phól?
Do you know Paul?
Tá seanaithne agam ar a hathair.
I've known her father for a long time.
Fear atá ar m'aithne é.
He's a man I know.
Cuir in aithne do do chara mé.
Introduce me to your friend.
Níl aithne ar bith agam uirthi.
I don't know her at all.
Chuir mé aithne air i mBaile Átha Cliath.
I got to know him in Dublin.
Bhí sé athraithe as aithne.
He had changed beyond recognition.

Other nouns in Irish

More everyday Irish nouns to learn next.

Acquaintance in Irish: frequently asked questions

What is the Irish for acquaintance?

The Irish for acquaintance is aithne (pronounced “AH-hin-yuh”). It’s a feminine noun. Depending on context it can also mean recognition or knowledge.

How do you pronounce aithne in Irish?

Aithne is said like “AH-hin-yuh” (IPA /ˈahənʲə/).

Does aithne have a plural?

No plural form is given for aithne in the standard. Many abstract and mass nouns in Irish have no plural.

Does aithne have more than one meaning?

Yes. Aithne can mean acquaintance, recognition or knowledge, depending on context; the first is the most common.

Why does aithne sometimes have a t or h in front of it?

Irish nouns beginning with a vowel take a prefix after certain words: an aithne (the acquaintance), a haithne (her acquaintance), a n-aithne (their acquaintance).

What is the difference between 'aithne' and 'eolas'?

Use 'aithne' for knowing a person (tá aithne agam ar Mháire), and 'eolas' for knowing facts or information (tá eolas agam ar an stair).

How do I say 'to introduce' using aithne?

Use 'cuir in aithne': chuir sé in aithne dá mháthair mé, he introduced me to his mother.

Learn Irish by
actually speaking it

Learn everyday Irish words like aithne through guided conversation with Rua.

7-day free trial. Cancel anytime.

The HeyRua app home screen